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Table 3 Comparison of VF scores between E. faecalis vs E. faecium

From: Improved detection of esp, hyl, asa1, gelE, cylA virulence genes among clinical isolates of Enterococci

Virulence scoreE. faecalis
(n = 89)
E. faecium
(n = 51)
p valueOR95% CI
VF score 5
(n = 0)
0 (0%)0 (0%)1*
VF score 4
(n = 32)
31 (34.83%)1 (1.96%)< 0.0001*26.72413.5205–202.8634
VF score 3
(n = 28)
24 (26.96%)4 (7.84%)0.0124*4.33851.4112–13.3377
VF score 2
(n = 38)
25 (28.08%)13 (25.49%)0.888*1.14180.5228–2.4939
VF score 1
(n = 29)
8 (8.98%)21 (41.18%)< 0.0001*0.14110.0565–0.3525
VF score 0
(n = 13)
1 (1.12%)12 (23.53%)0.000*0.03690.0046–0.294
VF score*
Mean ± SD
2.854 ± 1.0401.235 ± 0.971< 0.0001**
  1. * Mann–Whitney U test: comparison of VF scores between E. faecalis vs. E. faecium
  2. ** Student’s t test: comparison of 2 means
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